A computational simulation study on the acoustic pressure generated by a dental endosonic file: Effects of intensity, file shape and volume

T. Joyce Tiong, Gareth J. Price, Shalini Kanagasingam

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

One of the uses of ultrasound in dentistry is in the field of endodontics (i.e. root canal treatment) in order to enhance cleaning efficiency during the treatment. The acoustic pressures generated by the oscillation of files in narrow channels has been calculated using the COMSOL simulation package. Acoustic pressures in excess of the cavitation threshold can be generated and higher values were found in narrower channels. This parallels experimental observations of sonochemiluminescence. The effect of varying the channel width and length and the dimensions and shape of the file are reported. As well as explaining experimental observations, the work provides a basis for the further development and optimisation of the design of endosonic files.

Original languageEnglish
Pages (from-to)1858-1865
Number of pages8
JournalUltrasonics Sonochemistry
Volume21
Issue number5
DOIs
Publication statusPublished - 2014

Fingerprint

files
Acoustics
Tooth
Dentistry
Pressure
acoustics
Dental Pulp Cavity
Endodontics
Canals
Cavitation
dentistry
Cleaning
canals
simulation
Ultrasonics
cavitation flow
cleaning
oscillations
optimization
thresholds

Keywords

  • Acoustic pressure
  • Cavitation
  • Cleaning
  • COMSOL
  • Endodontic

ASJC Scopus subject areas

  • Chemical Engineering (miscellaneous)
  • Acoustics and Ultrasonics
  • Radiology Nuclear Medicine and imaging

Cite this

A computational simulation study on the acoustic pressure generated by a dental endosonic file : Effects of intensity, file shape and volume. / Tiong, T. Joyce; Price, Gareth J.; Kanagasingam, Shalini.

In: Ultrasonics Sonochemistry, Vol. 21, No. 5, 2014, p. 1858-1865.

Research output: Contribution to journalArticle

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